Load required libraries
library(readxl)
library(ggplot2)
library(RColorBrewer)
library(plotly)
##
## Attaching package: 'plotly'
## The following object is masked from 'package:ggplot2':
##
## last_plot
## The following object is masked from 'package:stats':
##
## filter
## The following object is masked from 'package:graphics':
##
## layout
Read xls into a dataframe
obama_approvals_df <- read_excel(path = "C:/Masters/GitHub/Summer2023/DSC640-Data Presentation & Visualization/Week1&2/Data/obama-approval-ratings.xls")
nrow(obama_approvals_df)
## [1] 13
head(obama_approvals_df,5)
## # A tibble: 5 × 4
## Issue Approve Disapprove None
## <chr> <dbl> <dbl> <dbl>
## 1 Race Relations 52 38 10
## 2 Education 49 40 11
## 3 Terrorism 48 45 7
## 4 Energy Policy 47 42 11
## 5 Foreign Affairs 44 48 8
DONUT CHART
#fig <- obama_approvals_df %>% plot_ly(labels = ~Issue, values = ~Approve, textposition = 'outside', #textinfo='percent+label', width = 1)
#fig <- fig %>% add_pie(hole = 0.6)
#fig <- fig %>% layout(title = list(text='Donut charts using Plotly'),
# autosize = T ,showlegend = F)
#fig
fig1 <- plot_ly(obama_approvals_df, labels = ~Issue, values = ~Approve, #type = 'pie',
textposition = 'inside',
textinfo = 'percent+label',
text = ~paste(Issue),
marker = list(line = list(color = '#FFFFFF', width = 1)),
showlegend = FALSE)
fig1 <- fig1 %>% add_pie(hole = 0.6)
fig1 <- fig1 %>% layout(title = 'Donut charts using Plotly',
xaxis = list(showgrid = FALSE, zeroline = FALSE, showticklabels = FALSE),
yaxis = list(showgrid = FALSE, zeroline = FALSE, showticklabels = FALSE))
fig1
STACKED BAR CHART
#Stacked Bar Chart
fig <- plot_ly(obama_approvals_df)
fig <- fig %>% add_trace(x = ~Issue,y = ~None, name = 'None',text = ~None, type='bar',
marker = list(color = 'rgb(127, 200, 250)',
line = list(color = 'rgb(8,48,107)' )))
fig <- fig %>% add_trace(x = ~Issue,y = ~Disapprove, name = 'Disapprove',text = ~Disapprove, type='bar',
marker = list(color = 'rgb(45, 167, 250)',
line = list(color = 'rgb(8,48,107)')))
fig <- fig %>% add_trace(x = ~Issue,y = ~Approve, name = 'Approve', text = ~Approve, type='bar',
marker = list(color = 'rgb(4, 74, 122)',
line = list(color = 'rgb(8,48,107)')))
fig <- fig %>% layout(yaxis = list(title = 'Count'), barmode = 'stack',
xaxis = list(title = "Issue", tickangle = -75))
fig
BAR CHART
#Bar Chart
fig <- plot_ly(obama_approvals_df,x = ~Issue,y = ~Disapprove, name = 'Disapprove',
text = ~Disapprove, type='bar',
marker = list(color = 'rgb(20, 71, 252)',
line = list(color = 'rgb(8,48,107)')))
fig <- fig %>% layout(yaxis = list(title = 'Count'),
xaxis = list(title = "Issue", tickangle = -75))
fig
LINE CHART
# Line Chart
fig <- plot_ly(obama_approvals_df, x = ~Issue)
fig <- fig %>% add_lines(y = ~Disapprove, name = "Disapprove")
fig <- fig %>% add_lines(y = ~Approve, name = "Approve")
fig
PIE CHART
#Pie Chart
fig <- obama_approvals_df %>% plot_ly(labels = ~Issue, values = ~Disapprove,
type = 'pie', textposition = 'inside',
textinfo='value+label')
fig <- fig %>% layout(title = "Pie charts using Plotly", showlegend = F)
fig